If `n` is specified, it has the same meaning as for `-M<n>`.
Select only files that are Added (`A`), Copied (`C`),
Deleted (`D`), Modified (`M`), Renamed (`R`), have their
type (i.e. regular file, symlink, submodule, ...) changed (`T`),
Unknown (`X`), or have had their pairing Broken (`B`).
- Any combination of the filter characters
may be used.
+ Any combination of the filter characters be used.
When `*` (All-or-none) is added to the combination, all
paths are selected if there is any file that matches
other criteria in the comparison; if there is no file